package com.qd.panda.service.card;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.DateUtil;
import com.cdqidi.util.RedisTemplateUtil;
import com.cdqidi.util.SpringContextHolder;
import com.qd.common.panda.domain.entity.card.CardPlanDTO;
import com.qd.panda.mapper.card.CardPlanMapper;
import com.qd.panda.model.CardPlan;
import com.qd.system.service.dict.MbUtil;
import com.qd.system.service.login.LoginUserService;
import com.qd.system.service.org.OrgService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.time.LocalDate;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * 发卷计划
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class CardPlanService extends BaseService<CardPlanMapper, CardPlan> {

    private static final String PREFIX_ID = "panda_card_plan_planId_{0}";

    private final RedisTemplateUtil<CardPlan> redisTemplateUtil;

    private final CardInfoService cardInfoService;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CardPlanDTO save(CardPlanDTO dto) {
        final CardPlan model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CardPlanDTO update(CardPlanDTO dto) {
        final CardPlan historyModel = Optional.ofNullable(getById(dto.getPlanId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final CardPlan model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<CardPlan> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<CardPlan> mList) {
        final List<String> ids = mList.stream().map(CardPlan::getPlanId).collect(toList());
        final List<CardPlan> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param planId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String planId) {
        final CardPlan historyModel = Optional.ofNullable(getById(planId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(planId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<CardPlan> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(CardPlanDTO dto) {
        final QueryWrapper<CardPlan> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param planId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String planId) {
        boolean exists = false;
        if (StringUtils.hasLength(planId)) {
            final CardPlan model = getById(planId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param planId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CardPlan getById(String planId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, planId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(planId), CardPlan.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param planId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CardPlanDTO getByIdDto(String planId) {
        return Optional.ofNullable(getById(planId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CardPlan getOne(CardPlanDTO dto) {
        final QueryWrapper<CardPlan> queryWrapper = createQueryWrapper(dto);
        CardPlan model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CardPlanDTO getOneDto(CardPlanDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CardPlan> getList(CardPlanDTO dto) {
        final QueryWrapper<CardPlan> queryWrapper = createQueryWrapper(dto);
        final List<CardPlan> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<CardPlanDTO> getListDto(CardPlanDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<CardPlanDTO> page(Page<CardPlan> page, CardPlanDTO dto) {
        final QueryWrapper<CardPlan> queryWrapper = createQueryWrapper(dto, "t1.");
        final IPage<CardPlanDTO> iPage = baseMapper.page(page, queryWrapper);
        queryWrapper.clear();
        return iPage;
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(CardPlan model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getPlanId()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<CardPlan> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getPlanId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public CardPlanDTO modelToDto(CardPlan model) {
        if (null == model) {
            return null;
        }
        final CardPlanDTO dto = new CardPlanDTO();
        dto.setPlanId(model.getPlanId());
        dto.setPlanName(model.getPlanName());
        dto.setPlanContent(model.getPlanContent());
        dto.setAllocatedQuantity(model.getAllocatedQuantity());
        dto.setAddTime(model.getAddTime());
        dto.setUpdateTime(model.getUpdateTime());
        dto.setOperator(model.getOperator());
        dto.setOrgId(model.getOrgId());
        dto.setUseStartTime(DateUtil.localDateToStr(model.getUseStartTime()));
        dto.setUseEndTime(DateUtil.localDateToStr(model.getUseEndTime()));
        dto.setVolumeValidity(model.getVolumeValidity());
        dto.setThirdParty(model.getThirdParty());
        dto.setInfiniteQuantity(model.getInfiniteQuantity());
        dto.setRebate(model.getRebate());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public CardPlan dtoToModel(CardPlanDTO dto) {
        if (null == dto) {
            return null;
        }
        final CardPlan model = new CardPlan();
        model.setPlanId(dto.getPlanId());
        model.setPlanName(dto.getPlanName());
        model.setPlanContent(dto.getPlanContent());
        model.setAllocatedQuantity(dto.getAllocatedQuantity());
        model.setAddTime(dto.getAddTime());
        model.setUpdateTime(dto.getUpdateTime());
        model.setOperator(dto.getOperator());
        model.setOrgId(dto.getOrgId());
        model.setUseStartTime(DateUtil.strToLocalDate(dto.getUseStartTime()));
        model.setUseEndTime(DateUtil.strToLocalDate(dto.getUseEndTime()));
        model.setVolumeValidity(dto.getVolumeValidity());
        model.setThirdParty(dto.getThirdParty());
        model.setInfiniteQuantity(dto.getInfiniteQuantity());
        model.setRebate(dto.getRebate());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(CardPlanDTO dto) {
        dto.setCardInfoList(cardInfoService.getDtoListByPlanId(dto.getPlanId()));
        dto.setOrgIdDisplay(SpringContextHolder.getBean(OrgService.class).idToDisplay(dto.getOrgId()));
        dto.setOperatorDisplay(SpringContextHolder.getBean(LoginUserService.class).idToDisplay(dto.getOperator()));
        if(!StringUtils.hasLength(dto.getInfiniteQuantity())){
            dto.setInfiniteQuantity(ConstantDto.SF0);
        }
        if(!StringUtils.hasLength(dto.getRebate())){
            dto.setRebate(ConstantDto.SF0);
        }
        dto.setRebateDisplay(MbUtil.idToDisplay(dto.getInfiniteQuantity()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<CardPlanDTO> modelToDtoList(List<CardPlan> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<CardPlan> dtoToModelList(List<CardPlanDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<CardPlan> createQueryWrapper(CardPlanDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<CardPlan> createQueryWrapper(CardPlanDTO dto, String tableAlias) {
        final QueryWrapper<CardPlan> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias) && tableAlias.charAt(tableAlias.length() - 1) != '.') {
                tableAlias += ".";
            }
            if (StringUtils.hasLength(dto.getPlanName())) {
                queryWrapper.like(tableAlias + "plan_name", dto.getPlanName());
            }
        }
        queryWrapper.orderByDesc(tableAlias + "add_time");
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<CardPlan> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<CardPlan> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(CardPlan::getPlanId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    @Transactional(readOnly = true)
    public String idToDisplay(String planId) {
        return Optional.ofNullable(getById(planId)).map(CardPlan::getPlanName).orElse("");
    }

    @Transactional(readOnly = true)
    public List<CardPlanDTO> availableCardPlan() {
        QueryWrapper<CardPlan> queryWrapper = new QueryWrapper<>();
        queryWrapper.ge("use_end_time", LocalDate.now());
        List<CardPlan> cardPlans = getBaseMapper().selectList(queryWrapper);
        queryWrapper.clear();
        return modelToDtoList(cardPlans);
    }
}